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Finding the Fourth Proportional to 364.25, 546.52 and 133.24

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Solution

The fourth proportional to 364.25, 546.52 and 133.24 is: 199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.25 : 546.52 = 133.24 : x
  2. Step 2: Convert to fraction form
    364.25/546.52 = 133.24/x
  3. Step 3: Cross multiply
    364.25x = 546.52 × 133.24
  4. Step 4: Simplify right side
    364.25x = 72,816.63
  5. Step 5: Solve for x
    x = 72,816.63/364.25
  6. Step 6: Final answer
    x = 199.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.